ScreenShot
| Created | 2023.07.14 09:44 | Machine | s1_win7_x6403 |
| Filename | csrssk.exe | ||
| Type | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows | ||
| AI Score |
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Behavior Score |
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| ZERO API | file : malware | ||
| VT API (file) | 49 detected (Common, SnakeLogger, malicious, high confidence, score, GenericKD, unsafe, Kryptik, V1x2, confidence, 100%, Eldorado, Malcode, gdn34, GenKryptik, GLRG, PWSX, MSIL@AI, MSIL2, OHIKmdknvVCZhpYNdjg, PackedNET, NEGASTEAL, YXDGIZ, AgentTesla, ASBF, Detected, Artemis, ai score=80, Chgt, Gencirc, AGen, s7wZ7BaUy, Static AI, Malicious PE, susgen, GIZH) | ||
| md5 | 71e5e55013a442a54b3cfbf8bde2e4a8 | ||
| sha256 | e4be3cae4079790dd49aa7b6de70a86d86b334b2012ebb0146f2754107d20a90 | ||
| ssdeep | 12288:s8pTwnIZJy/iBHJuKwXhcHzWDUh4QTGhSPyzDqf6zxg:s8p8nI4KshUWYlTESKzDE69g | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (30cnts)
| Level | Description |
|---|---|
| danger | File has been identified by 49 AntiVirus engines on VirusTotal as malicious |
| danger | Executed a process and injected code into it |
| watch | A process attempted to delay the analysis task. |
| watch | Allocates execute permission to another process indicative of possible code injection |
| watch | Attempts to create or modify system certificates |
| watch | Code injection by writing an executable or DLL to the memory of another process |
| watch | Deletes executed files from disk |
| watch | Harvests credentials from local email clients |
| watch | Harvests credentials from local FTP client softwares |
| watch | Potential code injection by writing to the memory of another process |
| watch | Resumed a suspended thread in a remote process potentially indicative of process injection |
| watch | Used NtSetContextThread to modify a thread in a remote process indicative of process injection |
| notice | A process created a hidden window |
| notice | Allocates read-write-execute memory (usually to unpack itself) |
| notice | Checks adapter addresses which can be used to detect virtual network interfaces |
| notice | Checks for the Locally Unique Identifier on the system for a suspicious privilege |
| notice | Creates a shortcut to an executable file |
| notice | Creates a suspicious process |
| notice | One or more potentially interesting buffers were extracted |
| notice | Steals private information from local Internet browsers |
| notice | The binary likely contains encrypted or compressed data indicative of a packer |
| notice | Uses Windows utilities for basic Windows functionality |
| notice | Yara rule detected in process memory |
| info | Checks amount of memory in system |
| info | Checks if process is being debugged by a debugger |
| info | Command line console output was observed |
| info | One or more processes crashed |
| info | Queries for the computername |
| info | This executable has a PDB path |
| info | Uses Windows APIs to generate a cryptographic key |
Rules (17cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| warning | Generic_Malware_Zero | Generic Malware | binaries (download) |
| watch | Antivirus | Contains references to security software | binaries (download) |
| notice | Generic_PWS_Memory_Zero | PWS Memory | memory |
| notice | KeyLogger | Run a KeyLogger | memory |
| notice | Network_SMTP_dotNet | Communications smtp | memory |
| info | anti_dbg | Checks if being debugged | memory |
| info | DebuggerCheck__GlobalFlags | (no description) | memory |
| info | DebuggerCheck__QueryInfo | (no description) | memory |
| info | DebuggerHiding__Active | (no description) | memory |
| info | DebuggerHiding__Thread | (no description) | memory |
| info | disable_dep | Bypass DEP | memory |
| info | Is_DotNET_EXE | (no description) | binaries (upload) |
| info | IsPE32 | (no description) | binaries (upload) |
| info | PE_Header_Zero | PE File Signature | binaries (upload) |
| info | SEH__vectored | (no description) | memory |
| info | ThreadControl__Context | (no description) | memory |
| info | win_hook | Affect hook table | memory |
PE API
IAT(Import Address Table) Library
mscoree.dll
0x402000 _CorExeMain
EAT(Export Address Table) is none
mscoree.dll
0x402000 _CorExeMain
EAT(Export Address Table) is none